Half-track mating beam



FIG. 1 is a top, plan view of a half-track mating beam showing our new design;

FIG. 2 is an elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is an end elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a half-track mating beam, substantially as shown and described. 